ps3hvc_dev.c

   1
   2 /*
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation; version 2 of the License.
   6  *
   7  * This program is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  10  * GNU General Public License for more details.
  11  *
  12  * You should have received a copy of the GNU General Public License
  13  * along with this program; if not, write to the Free Software
  14  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  15  */
  16
  17 #include <stdlib.h>
  18 #include <string.h>
  19 #include <errno.h>
  20 #include <sys/types.h>
  21 #include <sys/stat.h>
  22 #include <fcntl.h>
  23 #include <sys/ioctl.h>
  24 #include <unistd.h>
  25
  26 #include "ps3hvc_dev.h"
  27
  28 int ps3hvc_dev_open(const char *path)
  29 {
  30         return open(path, O_RDWR);
  31 }
  32
  33 int ps3hvc_dev_close(int fd)
  34 {
  35         return close(fd);
  36 }
  37
  38 int ps3hvc_dev_hvcall(int fd, uint64_t number, uint64_t in_args,
  39         uint64_t out_args, uint64_t args[], int64_t *result)
  40 {
  41         struct ps3hvc_ioctl_hvcall *arg;
  42         int size, error;
  43
  44         size = sizeof(struct ps3hvc_ioctl_hvcall) + (in_args + out_args) * sizeof(uint64_t);
  45
  46         arg = malloc(size);
  47         if (!arg)
  48                 return ENOMEM;
  49
  50         memset(arg, 0, size);
  51         arg->number = number;
  52         arg->in_args = in_args;
  53         arg->out_args = out_args;
  54         memcpy(arg->args, args, in_args * sizeof(uint64_t));
  55
  56         error = ioctl(fd, PS3HVC_IOCTL_HVCALL, arg);
  57
  58         if (error == 0) {
  59                 *result = arg->result;
  60
  61                 memcpy(&args[in_args], &arg->args[in_args], out_args * sizeof(uint64_t));
  62         }
  63
  64         free(arg);
  65
  66         return error;
  67 }